Rule 34 Dev - 1girl black_hair blouse blush breasts hair_ribbon kaguya-sama_wa_kokurasetai_~tensai-tachi_no_renai_zunousen~ long_hair looking_at_viewer mori_marimo okawaii_koto open_mouth ponytail red_background red_eyes ribbon school_uniform shinomiya_kaguya shirt simple_background smile solo|17205575400